What is the accurate speed of light ?... | Science Class 8

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Asked by R.LAKSHIT · VELAMMAL VIDHYASHRAM, SURAPET, CHENNAI

What is the accurate speed of light ?

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A 299,547,143 km/ min
B 299,792,458 m/sec
C 905,432,345 m/hr
D 3*10^8 m/min

5 answered 40% got it right